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03-15-2020
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#1 |
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Join Date: Mar 2019
Location: Colorado - Denver
Posts: 22
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Pilot bearing knocked out my engine plug
Help I have a 90 zr1 I was replacing the pilot bearing on and I knocked out the engine plug behind it. Any tips on how deep to set my new plug since I don't have a reference now. And tips or tricks to set it right. Thanks everyone.
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03-15-2020
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#2 |
 
Join Date: Jun 2006
Location: Sparks, NV
Posts: 2,852
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Re: Pilot bearing knocked out my engine plug
The search feature for this forum is your friend. It’s what makes the big difference between a forum like this and Facebook. The later being very difficult to search.
The following thread should help. Good luck and don’t worry, this stuff happens to all of us. H  http://www.zr1.net/forum/showthread....ght=Crankshaft
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90'ZR-1 #1461 Red/Black Ported Intake, Degreed Cams, OBX Headers & Exhaust, Fidanza FW, Secondary Delete, Custom tune, C6 GS Wheels. Sold 08 C6 Z51 Crystal Red Metallic Sold Vararam Intake, Tune, Sold 05 C6 Z51 Red/Black Sold 90'ZR-1 #1723 Black/Gray Sold but not forgotten 91' Z51 L98 White Vert. My First, you always remember your first. Sold. |
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03-15-2020
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#3 |
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Join Date: Mar 2019
Location: Colorado - Denver
Posts: 22
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Re: Pilot bearing knocked out my engine plug
Thank you so much
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03-15-2020
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#4 |
  
Join Date: Aug 2005
Location: Northridge, CA
Posts: 1,460
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Re: Pilot bearing knocked out my engine plug
By "I knocked out the engine plug behind it" do you mean
pushed the rear engine seal into the engine? Can that happen? That would be no bueno.
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1995 ZR-1 #106 Blk/ Blk Owned by me since 2000. 93K miles, but not on motor :-) Mods the way I want it, Not afraid to drive it! |
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03-15-2020
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#5 |
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Join Date: Mar 2019
Location: Colorado - Denver
Posts: 22
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Re: Pilot bearing knocked out my engine plug
Yes I popped the plug into the motor and need to install a new plug after I tear the entire clutch and flywheel out again. Ugh.
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03-16-2020
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#6 | |
 
Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
Posts: 6,493
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Re: Pilot bearing knocked out my engine plug
Quote:
I'll camp on this one.... 
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Good carz, good food, good friendz = the best of timez! 90 #1202 "FBI" top end ported & relieved Cam timing by "Pete the Greek" Sans secondaries Chip & dyno tuning by Haibeck Automotive SW headers, X-pipe, MF muffs Former Secretary, ZR-1 Net Registry |
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03-16-2020
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#7 |
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Join Date: Mar 2019
Location: Colorado - Denver
Posts: 22
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Re: Pilot bearing knocked out my engine plug
No big deal. It drops into the oil pan and you put in a new one. I’m told it will be ok if I set the new one correctly. More worried about not screwing that up and what the best depth is to put it back in since I have no reference as to where it was originally. Ugh
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03-17-2020
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#8 |
Join Date: Apr 2007
Location: Northern VA
Posts: 2,658
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Re: Pilot bearing knocked out my engine plug
The rear crankshaft cup plug seals the lube oil bore in rear main journal. There is another pressed in cup plug located forward of it to seal the other end of the bore.
Image1584498084.240205.jpg The dislodged cup plug should be fished out first before installing a new plug. Be sure to thoroughly clean the rear cup plug sealing area with suitable solvent and install using Loctite 620 and J38837 rear cup plug installation tool according to FSM instructions. Sent from my iPhone using ZR-1 Net Registry
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Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake |
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03-18-2020
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#9 |
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Join Date: Apr 2007
Location: Northern VA
Posts: 2,658
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Re: Pilot bearing knocked out my engine plug
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Phil Wasinger 1994 Torch Red ZR-1 WAZOO Member George Braml Intake |
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03-18-2020
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#10 |
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Join Date: Mar 2019
Location: Colorado - Denver
Posts: 22
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Re: Pilot bearing knocked out my engine plug
Do you have any thoughts on how to fish this out given that it was a tight seal engine plug that was pushed in. I fear it won’t come out but Haibecks thought was that it would just drop into the pan and wouldn’t be an issue. I appreciate the different thoughts here as I’m not certain what the effects could be if I can’t get it out.
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